/* ============================================================
   RX2600 Equipment Resale — roboticrr.com
   Neutral graphite palette. No brand colour: the machine is the
   product, so the page stays grey and lets the photography and
   the data carry it. Numbers are set in mono throughout.
   ============================================================ */

:root{
  --ink:#121416;        /* deepest ground: hero, alternating dark, footer */
  --panel:#1F2429;      /* second dark tone — far enough from ink to band */
  --card:#272C32;       /* cards sitting on dark                         */
  --card-hi:#30363D;    /* card hover                                    */
  --bone:#F2F1ED;       /* light sections                                */
  --white:#fff;

  --text:#E9E8E4;       /* primary on dark    */
  --data:#F4F5F6;       /* numeric values     */
  --accent:#8A95A0;     /* steel grey: labels, leaders, markers */

  --on-dark:rgba(233,232,228,.70);
  --on-dim:rgba(233,232,228,.44);
  --on-faint:rgba(233,232,228,.30);
  --on-light:rgba(18,20,22,.70);
  --on-light-dim:rgba(18,20,22,.46);

  --hair:rgba(233,232,228,.12);
  --hair-dark:rgba(18,20,22,.13);

  --display:'Barlow Condensed',Impact,'Haettenschweiler','Arial Narrow',sans-serif;
  --body:'Barlow','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace;

  --wrap:1200px;
  --pad:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--text);color:var(--ink);padding:12px 20px;
  font-weight:600;text-decoration:none;
}
.skip:focus{left:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- layout primitives ---------- */

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:32px}
.wrap--narrow{max-width:820px}

.s{padding-block:var(--pad)}
.s--ink{background:var(--ink)}
.s--panel{background:var(--panel)}
.s--bone{background:var(--bone);color:var(--on-light)}

/* ---------- type ---------- */

h1,h2,h3{
  font-family:var(--display);
  font-weight:800;
  text-transform:uppercase;
  margin:0;
  letter-spacing:.005em;
}
h2{font-size:clamp(34px,4.4vw,60px);line-height:.95}
h3{font-size:clamp(19px,2vw,24px);line-height:1.1}

.s--bone h2,.s--bone h3{color:var(--ink)}

p{margin:0 0 1em}
p:last-child{margin-bottom:0}

.eyebrow{
  font-family:var(--mono);
  font-size:11px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);
  margin:0 0 18px;
}
.eyebrow--dark{color:#5E6872}

.lede{font-size:clamp(16px,1.5vw,18px);color:var(--on-dark);max-width:52ch}

.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-weight:500;color:var(--data)}

/* ---------- buttons ---------- */

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--display);font-weight:800;text-transform:uppercase;
  font-size:15px;letter-spacing:.06em;
  padding:13px 24px;
  text-decoration:none;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--lg{font-size:18px;padding:17px 32px}

.btn--light{background:var(--text);color:var(--ink)}
.btn--light:hover{background:var(--white)}
.btn--ghost{border-color:rgba(233,232,228,.26);color:var(--text)}
.btn--ghost:hover{border-color:var(--text);background:rgba(233,232,228,.07)}
.btn--dark{background:var(--ink);color:var(--text)}
.btn--dark:hover{background:#000}
.btn--outline-dark{border-color:rgba(18,20,22,.3);color:var(--ink)}
.btn--outline-dark:hover{border-color:var(--ink);background:rgba(18,20,22,.06)}

/* ---------- nav ---------- */

.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(18,20,22,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hair);
}
.nav__inner{
  max-width:var(--wrap);margin:0 auto;padding:0 32px;
  height:68px;display:flex;align-items:center;gap:32px;
}
.nav__mark{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.nav__model{font-family:var(--display);font-weight:800;font-size:22px;letter-spacing:.04em}
.nav__sub{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin-top:4px;
}
.nav__links{display:flex;gap:26px;margin-left:auto}
.nav__links a{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;text-decoration:none;color:var(--on-dim);
  transition:color .18s ease;
}
.nav__links a:hover{color:var(--text)}
.nav__cta{display:flex;gap:10px}
.nav__cta .btn{font-size:13px;padding:9px 18px}

/* ---------- hero ---------- */

.hero{padding-block:clamp(56px,7vw,104px) clamp(56px,7vw,96px);overflow:hidden}
.hero__grid{
  display:grid;grid-template-columns:1.12fr .88fr;
  gap:clamp(32px,4vw,60px);align-items:center;
}
.hero__h1{
  font-size:clamp(40px,5.1vw,70px);
  line-height:.92;
  margin:0 0 24px;
}
.hero__h1 span{display:block}
.hero__h1-accent{color:var(--accent)}
.hero__loc{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--on-faint);margin-top:22px;
}

/* terms strip replaces the old price block in the hero rhythm */
.terms-line{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  margin:32px 0 28px;padding-top:24px;
  border-top:1px solid var(--hair);
}
.terms-line span{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--on-dim);
  display:inline-flex;align-items:center;gap:9px;
}
.terms-line span::before{
  content:'';width:5px;height:5px;background:var(--accent);flex:0 0 auto;
}
.terms-line span:first-child{color:var(--text)}

.hero__actions{display:flex;flex-wrap:wrap;gap:12px}

/* --- SIGNATURE: annotated engineering view --- */

.blueprint{margin:0}
.blueprint__stage{
  position:relative;aspect-ratio:1/1;
  background:
    radial-gradient(ellipse at 45% 45%,rgba(138,149,160,.16),transparent 62%),
    var(--card);
  border:1px solid var(--hair);
}
.blueprint__stage::before{
  /* faint graticule, reads as instrument background not decoration */
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(to right,rgba(233,232,228,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(233,232,228,.045) 1px,transparent 1px);
  background-size:calc(100%/12) calc(100%/12);
}
.blueprint__img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;padding:7%;
  filter:drop-shadow(0 24px 48px rgba(0,0,0,.55));
}

/* Callouts are self-contained: the leader rule is a child of the label, so the
   line and its text can never drift apart regardless of stage size. */
.cal{
  position:absolute;
  display:flex;align-items:center;gap:8px;
  width:36%;
  opacity:0;
}
.cal--r{right:3%;flex-direction:row}          /* label right, leader points left  */
.cal--l{left:3%;flex-direction:row-reverse}   /* label left,  leader points right */

.cal__lead{
  flex:1 1 auto;height:1px;background:var(--accent);
  position:relative;transform-origin:var(--lead-origin,right center);
  transform:scaleX(0);
}
.cal--r .cal__lead{--lead-origin:right center}
.cal--l .cal__lead{--lead-origin:left center}
.cal__lead::before{
  content:'';position:absolute;top:-2px;
  width:5px;height:5px;border-radius:50%;background:var(--accent);
}
.cal--r .cal__lead::before{left:-1px}
.cal--l .cal__lead::before{right:-1px}

.cal__t{
  flex:0 0 auto;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--on-dim);white-space:nowrap;
}
.cal__t b{color:var(--data);font-weight:600;letter-spacing:.03em}

.cal--1{top:17%}
.cal--2{top:49%}
.cal--3{bottom:14%}

.loaded .cal{animation:calIn .5s ease forwards}
.loaded .cal__lead{animation:leadIn .55s cubic-bezier(.4,0,.2,1) forwards}
.loaded .cal--1,.loaded .cal--1 .cal__lead{animation-delay:.40s}
.loaded .cal--2,.loaded .cal--2 .cal__lead{animation-delay:.54s}
.loaded .cal--3,.loaded .cal--3 .cal__lead{animation-delay:.68s}
@keyframes calIn{to{opacity:1}}
@keyframes leadIn{to{transform:scaleX(1)}}

.blueprint__tick{
  position:absolute;left:7%;bottom:7%;width:48px;height:1px;background:var(--hair);
}
.blueprint__cap{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--on-faint);margin-top:14px;
}

@media (prefers-reduced-motion:reduce){
  .cal{opacity:1;animation:none}
  .cal__lead{transform:scaleX(1);animation:none}
}

/* ---------- spec bar ---------- */

.specbar{border-block:1px solid var(--hair)}
.specbar__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:30px 8px 30px 26px;
  display:flex;flex-direction:column;gap:5px;
  border-left:1px solid var(--hair);
}
.stat:first-child{border-left:0;padding-left:0}
.stat__v{
  font-family:var(--mono);font-size:clamp(19px,2.2vw,25px);font-weight:500;
  color:var(--data);font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat__k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.17em;
  text-transform:uppercase;color:var(--on-dim);
}

/* ---------- section headers ---------- */

.shead{max-width:62ch;margin-bottom:52px}
.shead h2{margin-bottom:18px}
.shead__p{color:var(--on-dark)}
.shead--dark .shead__p{color:var(--on-light)}

/* ---------- split (what it is) ---------- */

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,68px);align-items:center}
.split__copy h2{margin-bottom:22px}
.split__media{margin:0}
.split__media img{border:1px solid var(--hair-dark)}
.split__media figcaption{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--on-light-dim);margin-top:12px;
}

.mods{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:1px;background:var(--hair-dark)}
.mod{background:var(--white);padding:20px 22px}
.mod__n{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:#5E6872;display:block;margin-bottom:7px;
}
.mod p{font-size:15px;line-height:1.6;color:var(--on-light)}

/* ---------- how a session runs ---------- */

.steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--hair);border:1px solid var(--hair);
}
.step{background:var(--ink);padding:28px 24px 30px}
.step__n{
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:var(--accent);display:block;margin-bottom:22px;
}
.step h3{margin-bottom:11px}
.step p{font-size:15px;line-height:1.62;color:var(--on-dark);margin:0}

/* ---------- units (signature) ---------- */

.units{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--hair);border:1px solid var(--hair);
}
.unit{background:var(--card);padding:26px 26px 22px;transition:background .2s ease}
.unit:hover{background:var(--card-hi)}
.unit__id{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.unit__n{
  font-family:var(--display);font-weight:800;font-size:40px;line-height:1;
  color:rgba(233,232,228,.18);
}
.status{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;
  color:var(--accent);
}
.status i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}

.unit__rows{margin:0}
.unit__rows > div{
  display:flex;justify-content:space-between;align-items:baseline;gap:14px;
  padding:9px 0;border-top:1px solid var(--hair);
}
.unit__rows dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--on-dim);
}
.unit__rows dd{margin:0;font-size:15px;text-align:right}

.shots{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:48px;background:var(--hair)}
.shots figure{margin:0;overflow:hidden}
.shots img{
  aspect-ratio:4/3;object-fit:cover;width:100%;
  filter:saturate(.55) contrast(1.05);
}

/* ---------- specs + included ---------- */

.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px)}
.duo h2{margin-bottom:28px}

.spectable{width:100%;border-collapse:collapse}
.spectable tr{border-top:1px solid var(--hair)}
.spectable tr:last-child{border-bottom:1px solid var(--hair)}
.spectable th{
  text-align:left;font-weight:400;padding:13px 0;
  font-family:var(--mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--on-dim);
}
.spectable td{text-align:right;padding:13px 0;font-size:15px;color:var(--text)}

.incl{list-style:none;margin:0;padding:0}
.incl li{
  position:relative;padding:11px 0 11px 28px;
  border-top:1px solid var(--hair);color:var(--on-dark);font-size:15px;
}
.incl li:last-child{border-bottom:1px solid var(--hair)}
.incl li::before{
  content:'';position:absolute;left:4px;top:19px;
  width:9px;height:9px;border:1px solid var(--accent);
}
.incl--alt li::before{border-style:dashed}
.incl__sep{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin:30px 0 0;
}
.fineprint{
  margin-top:26px;font-size:13.5px;line-height:1.65;
  color:var(--on-faint);
}
.fineprint--dark{color:var(--on-light-dim)}

/* ---------- who it's for ---------- */

.fit{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,72px)}
.fit__col .fit__h{
  font-family:var(--mono);font-weight:500;font-size:11px;
  letter-spacing:.2em;text-transform:uppercase;color:#5E6872;margin-bottom:18px;
}
.taglist{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.taglist li{
  font-family:var(--display);font-weight:600;text-transform:uppercase;
  font-size:clamp(17px,1.8vw,21px);letter-spacing:.02em;color:var(--ink);
  border:1px solid var(--hair-dark);padding:8px 16px;
}
.taglist--wide li{
  font-family:var(--body);font-weight:500;text-transform:none;
  font-size:15px;letter-spacing:0;color:var(--on-light);padding:7px 15px;
}

/* ---------- clinician quotes ---------- */

.quotes{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--hair);border:1px solid var(--hair);
}
.quote{background:var(--ink);padding:34px 34px 30px;display:flex;flex-direction:column}
.quote::before{
  /* short accent rule, same language as the hero callout leaders */
  content:'';display:block;width:26px;height:1px;background:var(--accent);margin-bottom:22px;
}
.quote__t{
  margin:0 0 24px;
  font-size:clamp(17px,1.7vw,20px);line-height:1.5;
  color:var(--text);
}
.quote__by{margin:auto 0 0;display:flex;flex-direction:column;gap:3px}
.quote__name{
  font-family:var(--display);font-weight:600;text-transform:uppercase;
  font-size:16px;letter-spacing:.05em;color:var(--data);
}
.quote__role{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.17em;
  text-transform:uppercase;color:var(--on-dim);
}

/* ---------- business case ---------- */

.cases{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hair)}
.case{background:var(--panel);padding:30px 32px 32px}
.case h3{margin-bottom:12px}
.case p{font-size:15px;line-height:1.65;color:var(--on-dark);margin:0}

.press{margin-top:54px;padding-top:28px;border-top:1px solid var(--hair)}
.press__k{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--on-faint);margin:0 0 16px;
}
.press__list{
  list-style:none;margin:0;padding:0;
  display:flex;flex-wrap:wrap;gap:12px 34px;
}
.press__list li{
  font-family:var(--display);font-weight:600;text-transform:uppercase;
  font-size:clamp(15px,1.6vw,19px);letter-spacing:.04em;color:var(--on-dim);
}

/* ---------- faq ---------- */

.faq{border-top:1px solid var(--hair)}
.faq details{border-bottom:1px solid var(--hair)}
.faq summary{
  cursor:pointer;list-style:none;
  padding:20px 40px 20px 0;position:relative;
  font-family:var(--display);font-weight:600;text-transform:uppercase;
  font-size:clamp(17px,1.9vw,21px);letter-spacing:.02em;
  color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'';position:absolute;right:6px;top:50%;
  width:11px;height:11px;margin-top:-7px;
  border-right:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-3px}
.faq summary:hover{color:var(--accent)}
.faq__a{padding:0 0 22px}
.faq__a p{color:var(--on-dark);font-size:15.5px;max-width:68ch}


/* ---------- cta ---------- */

.cta__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:clamp(24px,4vw,56px);flex-wrap:wrap;
}
.cta__h{font-size:clamp(32px,4vw,52px);margin-bottom:10px}
.cta__p{color:var(--on-light);max-width:42ch;margin:0}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */

.foot{background:var(--ink);border-top:1px solid var(--hair);padding-block:56px 40px}
.foot__inner{display:grid;grid-template-columns:1fr 1fr 1.6fr;gap:40px}
.foot__col p{font-size:13.5px;line-height:1.7;color:var(--on-dim);margin:0 0 .5em}
.foot__col a{text-decoration:none;color:var(--text)}
.foot__col a:hover{color:var(--accent)}
.foot__col p.foot__mark{
  font-family:var(--display);font-weight:800;text-transform:uppercase;
  font-size:17px;color:var(--text);letter-spacing:.04em;margin-bottom:14px;
}
.foot__legal p{font-size:12px;color:var(--on-faint)}
.foot__col p.foot__copy{margin-top:14px}

/* ---------- reveal ---------- */

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.4,0,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ============================================================
   responsive
   ============================================================ */

@media (max-width:1000px){
  :root{--pad:68px}
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .blueprint{max-width:440px;margin-inline:auto;width:100%}
  .split,.duo,.fit{grid-template-columns:1fr}
  .units,.cases,.quotes{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .nav__links{display:none}
  .foot__inner{grid-template-columns:1fr 1fr}
  .foot__legal{grid-column:1/-1}
}

@media (max-width:680px){
  :root{--pad:52px}
  .wrap{padding-inline:20px}
  .nav__inner{padding:0 20px;gap:14px}
  .nav__cta .btn{font-size:12px;padding:8px 13px}
  .specbar__grid{grid-template-columns:1fr 1fr}
  .stat{padding:20px 8px 20px 20px;border-top:1px solid var(--hair)}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(-n+2){border-top:0}
  .steps,.units,.cases,.quotes{grid-template-columns:1fr}
  .hero__actions .btn,.cta__actions .btn{width:100%;min-width:0;overflow-wrap:anywhere}
  .cta__actions{width:100%}
  .cta__actions .btn--outline-dark{font-size:15px;letter-spacing:.02em}
  .shots{grid-template-columns:1fr}
  .foot__inner{grid-template-columns:1fr}
  .cal{width:44%;gap:6px}
  .cal__t{font-size:8.5px;letter-spacing:.06em}
}

/* very narrow phones: drop the kicker so the nav phone number stays on one line */
@media (max-width:400px){
  .nav__sub{display:none}
  .nav__cta .btn{white-space:nowrap;padding:8px 11px}
}